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Cathy Hamilton and her grandson Judah of Rancho Cucamonga, visit the memorial site for Ryan Cruz Saldana, 3, who was hit by a truck and killed Friday, on Alta Loma Drive, May 7, 2014. (Photo by John Valenzuela/Inland Valley Daily Bulletin)

A memorial sits along Alta Loma Drive for Ryan Cruz Saldana, 3, a resident of South Pasadena, who was hit by a truck and killed Friday, near the intersection of Alta Loma Drive and Garnet Street. (Photo by John Valenzuela/Inland Valley Daily Bulletin)

A memorial sits along Alta Loma Drive for Ryan Cruz Saldana, 3, a resident of South Pasadena, who was hit by a truck and killed Friday, near the intersection of Alta Loma Drive and Garnet Street. (Photo by John Valenzuela/Inland Valley Daily Bulletin)

A memorial sits along Alta Loma Drive for Ryan Cruz Saldana, 3, a resident of South Pasadena, who was hit by a truck and killed Friday, near the intersection of Alta Loma Drive and Garnet Street. (Photo by John Valenzuela/Inland Valley Daily Bulletin)

A memorial sits along Alta Loma Drive for Ryan Cruz Saldana, 3, a resident of South Pasadena, who was hit by a truck and killed Friday, near the intersection of Alta Loma Drive and Garnet Street. (Photo by John Valenzuela/Inland Valley Daily Bulletin)

A memorial sits along Alta Loma Drive for Ryan Cruz Saldana, 3, a resident of South Pasadena, who was hit by a truck and killed Friday, near the intersection of Alta Loma Drive and Garnet Street. (Photo by John Valenzuela/Inland Valley Daily Bulletin)

A memorial sits along Alta Loma Drive for Ryan Cruz Saldana, 3, a resident of South Pasadena, who was hit by a truck and killed Friday, near the intersection of Alta Loma Drive and Garnet Street. (Photo by John Valenzuela/Inland Valley Daily Bulletin)

Ryan Cruz Saldana, 3, was killed after he was hit by a car Friday. Support for the family has flooded social media using the hashtag #redballoonsforryan. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Ryan Cruz Saldana, 3, was killed after he ran into the street while playing frisbee at his cousinsâ€™ house in Alta Loma Friday evening. Since the incident, the hashtag #redballoonsforryan has been trending on social media. (Photo courtesy of Alissa Circle)

Memorial site for Ryan Cruz Saldana, 3, of South Pasadena, killed by a truck in Rancho Cucamonga #RedBalloonsforRyan

A memorial sits along Alta Loma Drive for Ryan Cruz Saldana, 3, a resident of South Pasadena, who was hit by a truck and killed Friday, May 2, 2014, near the intersection of Alta Loma Drive and Garnet Street in Rancho Cucamonga. News of his death has spread via the #RedballoonsforRyan hashtag.